Example usage for org.apache.commons.lang3 RandomUtils nextDouble

Introduction

In this page you can find the example usage for org.apache.commons.lang3 RandomUtils nextDouble.

Prototype

public static double nextDouble(final double startInclusive, final double endInclusive) 

Source Link

Document

Returns a random double within the specified range.

Usage

From source file:cn.codepub.redis.directory.Main.java

private static Document addDocument(int i) {
    Document document = new Document();
    document.add(new StringField("key1", "key" + i, Field.Store.YES));
    document.add(new IntField("key2", i * 100000, Field.Store.YES));
    document.add(new FloatField("key3", (float) i * 100000, Field.Store.YES));
    document.add(new LongField("key4", (long) i * 100000, Field.Store.YES));
    document.add(new DoubleField("key5", (double) i * 100000, Field.Store.YES));
    document.add(new TextField("key6", RandomStringUtils.randomAlphabetic(10), Field.Store.YES));
    document.add(new StringField("key7", RandomStringUtils.randomAlphabetic(5), Field.Store.YES));
    document.add(new BinaryDocValuesField("key8", new BytesRef(RandomStringUtils.randomAlphabetic(5))));
    document.add(new DoubleDocValuesField("key9", RandomUtils.nextDouble(0, 1000)));
    document.add(new FloatDocValuesField("key10", RandomUtils.nextFloat(0, 1000)));
    document.add(new LongField("key11", (long) i * 50000, Field.Store.YES));
    document.add(new IntField("key12", i * 50000, Field.Store.YES));
    document.add(new FloatField("key13", (float) i * 50000, Field.Store.YES));
    document.add(new DoubleField("key14", (double) i * 50000, Field.Store.YES));
    document.add(new StringField("key15", RandomStringUtils.randomAlphabetic(6), Field.Store.YES));
    return document;
}

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From source file:hu.unimiskolc.iit.distsys.BuiltInCloudProvider.java

@Override
public void capacityChanged(ResourceConstraints newCapacity, List<PhysicalMachine> affectedCapacity) {
    final boolean newRegistration = myProvidedService.isRegisteredHost(affectedCapacity.get(0));
    if (!newRegistration) {
        try {/* w w  w  .j  a v  a 2s  .c o  m*/
            for (PhysicalMachine pm : affectedCapacity) {
                // For every lost PM we buy a new one.
                myProvidedService
                        .registerHost(ExercisesBase.getNewPhysicalMachine(RandomUtils.nextDouble(2, 5)));
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

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From source file:com.boozallen.cognition.ingest.storm.bolt.logging.LogRecordDateBolt.java

boolean shouldSample() {
    double dice = RandomUtils.nextDouble(0, 1);
    return dice <= sample;
}

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From source file:com.mtnfog.test.entity.utils.EntityUtils.java

/**
 * Creates a random entity./* w  ww.j  a v a 2  s  .c  om*/
 * @param type The entity's {@link String class}.
 * @return A random entity.
 */
public static Entity createRandomEntity(String type) {

    final int entityLength = RandomUtils.nextInt(4, 25);

    Entity entity = new Entity();
    entity.setText(RandomStringUtils.randomAlphabetic(entityLength));
    entity.setConfidence(RandomUtils.nextDouble(0, 1));
    entity.setLanguageCode("en");
    entity.setSpan(new Span(3, 5));
    entity.setType(type);

    return entity;

}

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From source file:com.mtnfog.test.entity.utils.EntityUtils.java

/**
 * Creates a random entity./*from www. jav  a  2  s.c  o m*/
 * @param type The entity's {@link String class}.
 * @param minConfidence The minimum value of the confidence range.
 * @param maxConfidence The maximum value of the confidence range.
 * @return A random entity.
 */
public static Entity createRandomEntity(String type, double minConfidence, double maxConfidence) {

    final int entityLength = RandomUtils.nextInt(4, 25);

    Entity entity = new Entity();
    entity.setText(RandomStringUtils.randomAlphabetic(entityLength));
    entity.setConfidence(RandomUtils.nextDouble(minConfidence, maxConfidence));
    entity.setLanguageCode("en");
    entity.setSpan(new Span(3, 5));
    entity.setType(type);

    return entity;

}

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From source file:cpcc.vvrte.services.task.AcoTspSimpleTest.java

@Test(dataProvider = "wreckedCostMatrixDataprovider")
public void shouldThrowExceptionOnInvalidMatrixDimenstions(int w, int h) {
    double[][] costMatrix = new double[w][h];

    for (int i = 0; i < w; i++) {
        for (int j = 0; j < h; j++) {
            costMatrix[i][j] = RandomUtils.nextDouble(0.0, 10.0);
        }//from ww  w  .  j a  v  a 2s  .com
    }

    try {
        AcoTspSimple.calculateBestPath(costMatrix, 1000, 3);

        failBecauseExceptionWasNotThrown(IllegalStateException.class);
    } catch (IllegalStateException e) {
        assertThat(e).hasMessage("Cost matrix heigth and width must be equal!");
    }
}

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From source file:com.mtnfog.test.entity.utils.EntityUtils.java

/**
 * Creates a random person entity./*from   w  w w . ja  v a  2 s .c om*/
 * @return A random person {@link Entity entity}.
 */
public static Entity createRandomPersonEntity() {

    final int entityLength = RandomUtils.nextInt(4, 25);

    Entity entity = new Entity();
    entity.setText(RandomStringUtils.randomAlphabetic(entityLength));
    entity.setConfidence(RandomUtils.nextDouble(0, 1));
    entity.setLanguageCode("en");
    entity.setSpan(new Span(3, 5));
    entity.setType("person");
    entity.setEnrichments(createRandomEnrichments());
    entity.setContext("context");
    entity.setDocumentId("documentId");

    return entity;

}

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From source file:cpcc.vvrte.services.task.AcoTspSimple.java

/**
 * @param costMatrix the cost matrix.//ww  w  .ja v  a2s.c o m
 * @param pheromoneTrails the pheromone trails.
 * @return the path.
 */
private static List<Integer> generatePath(double[][] costMatrix, double[][] pheromoneTrails) {
    // int current = (int) (costMatrix.length * Math.random());
    int current = RandomUtils.nextInt(0, costMatrix.length);
    List<Integer> used = new ArrayList<Integer>();
    used.add(current);

    while (used.size() < costMatrix.length) {
        double sumWeight = doSumWeight(costMatrix, pheromoneTrails, used, current);
        // double rndValue = Math.random() * sumWeight;
        double rndValue = RandomUtils.nextDouble(0, sumWeight);
        current = findSumWeight(costMatrix, pheromoneTrails, used, current, rndValue);
        used.add(current);
    }

    return used;
}

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From source file:TestLucene.java

private Document addDocument(int i) {
    Document document = new Document();
    document.add(new StringField("key1", "key" + i, Field.Store.YES));
    document.add(new IntField("key2", i * 100000, Field.Store.YES));
    document.add(new FloatField("key3", (float) i * 100000, Field.Store.YES));
    document.add(new LongField("key4", (long) i * 100000, Field.Store.YES));
    document.add(new DoubleField("key5", (double) i * 100000, Field.Store.YES));
    document.add(new TextField("key6", RandomStringUtils.randomAlphabetic(10), Field.Store.YES));
    document.add(new StringField("key7", RandomStringUtils.randomAlphabetic(5), Field.Store.YES));
    document.add(new BinaryDocValuesField("key8", new BytesRef(RandomStringUtils.randomAlphabetic(5))));
    document.add(new DoubleDocValuesField("key9", RandomUtils.nextDouble(0, 1000)));
    document.add(new FloatDocValuesField("key10", RandomUtils.nextFloat(0, 1000)));
    document.add(new LongField("key11", (long) i * 50000, Field.Store.YES));
    document.add(new IntField("key12", i * 50000, Field.Store.YES));
    document.add(new FloatField("key13", (float) i * 50000, Field.Store.YES));
    document.add(new DoubleField("key14", (double) i * 50000, Field.Store.YES));
    document.add(new StringField("key15", RandomStringUtils.randomAlphabetic(6), Field.Store.YES));
    return document;
}

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From source file:com.mtnfog.test.entity.utils.EntityUtils.java

/**
 * Creates a random person entity./*from   w  ww  .ja v  a 2 s . co  m*/
 * @param text The text of the entity.
 * @return A random person {@link Entity entity}.
 */
public static Entity createRandomPersonEntity(String text) {

    Entity entity = new Entity();
    entity.setText(text);
    entity.setConfidence(RandomUtils.nextDouble(0, 1));
    entity.setLanguageCode("en");
    entity.setSpan(new Span(3, 5));
    entity.setType("person");

    return entity;

}

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